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xz_007 [3.2K]
3 years ago
8

Which of the following statements supports the one gene-one enzyme hypothesis?A) A mutation in a single gene can result in a def

ective protein.B) Alkaptonuria results when individuals lack multiple enzymes involved in the catalysis of homogentisic acid.C) Sickle-cell anemia results in normal hemoglobin.D) Multiple antibody genes can code for different related proteins, depending on the splicing that takes place post-transcriptionally.
Chemistry
2 answers:
nekit [7.7K]3 years ago
7 0

Answer: Option A

Explanation:

One gene one enzyme hypothesis was proposed by George Wells Beadle in which he stated that one gene directly affects the production of the  single enzyme.

This consequently affects the individual step in the whole metabolic pathway.  

So, a mutation in the single gene will lead to the production of the faulty protein. The step of the metabolism will be affected in which the faulty enzyme will participate.

iragen [17]3 years ago
4 0

Answer: its A

Explanation:

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Zepler [3.9K]

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4 0
1 year ago
How many chiral centers does clavulanic acid have?
VikaD [51]

Answer:

Clavulanic acid has two (2) chiral centers.

Explanation:

A chiral center is a center (usually carbon) with four different substituents.

The structure of clavulanic acid is shown in the attachment below.

Consider the labeled diagram in the attachment,

Carbon A is not a chiral carbon because it has two hydrogen atoms attached to it

Carbon B is not a chiral carbon because it has only three substituents

Carbon C is a chiral carbon because it has four different substituents

Carbon D is a chiral carbon because it has four different substituents

Carbon E is not a chiral carbon because it has only three atoms directly attached to it

Carbon F is not a chiral carbon because it has only three atoms directly attached to it

Carbon G is not a chiral carbon because it has two hydrogen atoms attached to it

Carbon H is not a chiral carbon because it has only three substituents

Then, only carbons C and D are chiral carbons.

Hence, clavulanic acid have two (2) chiral centers.

7 0
2 years ago
Any one can you help me with this from 8 to 10 all plz HURRY TO ME
Makovka662 [10]
I’ll get back to u on this
8 0
3 years ago
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the volume of liquid can be measured with? A. graduated cylinder B. pan balance C. scale D. metric ruler
alina1380 [7]

a: is the correct anwser

6 0
3 years ago
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RoseWind [281]

Answer:

i wold think it is C

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2 years ago
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